Aquarium



FIG. 1 is a front perspective view taken from the top front and right side of an aquarium showing my new design.

FIG. 2 is a right side elevational view thereof.

FIG. 3 is a top plan view thereof.

FIG. 4 is a rear elevational view thereof.

FIG. 5 is a left side elevational view thereof. 

The ornamental design for an aquarium, as shown and described. 